Diffusion Flashcards
1
Q
Diffusion is the movement of molecules from…
A
High concentration to low concentration
1
Q
Name the two sites of diffusion we’ve been focusing on, including two structures in both answers.
A
1) Capillaries and alveoli
2) Capillaries and muscles
2
Q
Carbon dioxide’s chemical symbol is..
A
CO2
3
Q
Oxygen’s chemical symbol is…
A
O2
4
Q
Where does carbon dioxide go after diffusing from blood into alveoli?
A
We exhale it
5
Q
Why do we need oxygen?
A
To create energy for our cells
